Formaldehyde detector

Abstract

The utility model relates to a formaldehyde detector which comprises a detector main body, two blocking mesh plates fixedly connected with the interior of the detector main body are arranged at the lower part of the interior of the detector main body, and a formaldehyde adsorbent is arranged between the two blocking mesh plates. A sealing through groove communicating with the two blocking net plates is formed in the right side face of the detector body, a rubber sealing plate is connected into the sealing through groove in a sleeved mode, a dismounting plate is fixedly connected to one face of the rubber sealing plate, a handle is fixedly connected to one face of the dismounting plate, and a positioning mechanism is arranged at the upper end of the dismounting plate. A positioning slot is formed in the upper end surface of the dismounting plate, an air inlet pipe which penetrates through the detector main body and is fixedly connected with the penetrating part is arranged in the middle of the upper end surface of the detector main body, and an exhaust fan I is fixedly connected in the air inlet pipe. The formaldehyde detector disclosed by the utility model can be used for adsorbing and purifying formaldehyde in sucked air during formaldehyde detection, and is relatively practical.

Description

Technical Field

[0001] The utility model relates to the technical field of formaldehyde detection, in particular to a formaldehyde detector. Background Art

[0002] Formaldehyde, also known as formic aldehyde, is an organic compound and belongs to the Class 1 carcinogen in the list of carcinogens published by the World Health Organization's International Agency for Research on Cancer. After the new house is renovated, the decoration materials in the house, such as paint, wallpaper, various furniture materials, etc., will precipitate a large amount of toxic substances, especially formaldehyde. Therefore, after the new house is renovated, it needs to be ventilated to dissipate the formaldehyde and other harmful substances in the house. Before moving in, the formaldehyde content in the room needs to be tested with formaldehyde detection equipment to ensure that the indoor air quality is qualified.

[0003] The Chinese patent application number CN202320759893.2 discloses a formaldehyde detector, including a shell, the shell including a front shell, a circuit board, a display screen, a gas sensor group, a buzzer and a battery that cooperate with each other are installed in the front shell, and an air inlet and an air outlet are arranged on the front shell to cooperate with the gas sensor group.

[0004] However, the above-mentioned prior art still has some shortcomings in actual use. The above-mentioned prior art sucks air into the instrument through the air inlet for detection, and directly discharges it through the air outlet after detection. It is unable to adsorb formaldehyde in the air. For this reason, we propose a formaldehyde detector. Utility Model Content

[0005] The utility model provides a formaldehyde detector, which solves the technical problems raised by the background technology in the prior art.

[0006] The solution of the utility model to solve the above-mentioned technical problems is as follows: it includes a detector body, two blocking mesh plates are arranged at the lower part of the interior of the detector body, both of which are fixedly connected to the interior of the detector body, a formaldehyde adsorbent is arranged between the two blocking mesh plates, a sealing groove communicating with the two blocking mesh plates is opened on the right side of the detector body, a rubber sealing plate is sleeved and connected inside the sealing groove, a disassembly plate is fixedly connected to one side of the rubber sealing plate, a handle is fixedly connected to one side of the disassembly plate, a positioning mechanism is arranged at the upper end of the disassembly plate, a positioning slot is arranged on the upper end surface of the disassembly plate, an air inlet pipe that penetrates the detector body and is fixedly connected to the penetrating portion is arranged in the middle of the upper end surface of the detector body, an exhaust fan 1 is fixedly connected inside the air inlet pipe, an air outlet pipe that penetrates the detector body and is fixedly connected to the penetrating portion is arranged in the middle of the lower end surface of the detector body, an exhaust fan 2 is fixedly connected inside the air outlet pipe.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, a dustproof net is fixedly connected to one end of the air inlet pipe and the air outlet pipe, a mounting ring is fixedly connected to the left side of the detector body, a hand rope is arranged inside the mounting ring, and the formaldehyde adsorbent is activated carbon particles.

[0009] Furthermore, a circuit board is fixedly connected inside the detector body, a formaldehyde sensor, a VOC sensor and a buzzer are arranged on the surface of the circuit board, and a display screen is arranged on the front end surface of the detector body.

[0010] Furthermore, the positioning mechanism comprises a hollow plate fixedly connected to the surface of the detector body, a moving block is slidably connected inside the hollow plate, and a battery is fixedly connected to a side surface inside the detector body.

[0011] Furthermore, one side of the moving block is fixedly connected with a positioning plug plate which penetrates the hollow plate and is slidably connected to the penetrating portion, and the positioning plug plate is slidably connected to the inside of the positioning slot.

[0012] Furthermore, a pull rod is fixedly connected to the other side of the moving block, which passes through the hollow plate and is slidably connected to the passing part. One end of the pull rod is fixedly connected to a pull frame. The surface of the pull rod is sleeved with a spring, whose two ends are respectively fixedly connected to the upper end inside the hollow plate and the other side of the moving block.

[0013] The beneficial effects of the utility model are as follows: the utility model provides a formaldehyde detector, which has the following advantages:

[0014] Through the cooperation between the disassembly plate, positioning slot, positioning mechanism, sealing groove, rubber sealing plate, blocking mesh plate and formaldehyde adsorbent, the formaldehyde content can be detected and the formaldehyde in the air can be adsorbed, thereby improving practicality.

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 A schematic diagram of the structure of a formaldehyde detector provided by an embodiment of the utility model;

[0018] Figure 2 for Figure 1A schematic side view of the structure of a formaldehyde detector is provided;

[0019] Figure 3 for Figure 1 A schematic cross-sectional view of the structure of a formaldehyde detector is provided;

[0020] Figure 4 for Figure 3 A schematic diagram of a partial structure enlargement in a formaldehyde detector is provided;

[0021] Figure 5 for Figure 1 A schematic structural diagram of a mounting ring in a formaldehyde detector is provided.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1. Carrying rope; 2. Mounting ring; 3. Detector body; 4. Inlet pipe; 5. Display screen; 6. Pull frame; 7. Hollow plate; 8. Disassembly plate; 9. Exhaust pipe; 10. Positioning plug plate; 11. Exhaust fan 1; 12. Dust net; 13. Circuit board; 14. Blocking mesh plate; 15. Formaldehyde adsorbent; 16. Rubber sealing plate; 17. Exhaust fan 2; 18. Pull rod; 19. Spring; 20. Moving block; 21. Positioning slot; 22. Sealing slot. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-5 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0025] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] like Figure 1-5 As shown, the utility model provides a formaldehyde detector, including a detector body 3, two blocking mesh plates 14 are arranged at the lower part of the detector body 3, both of which are fixedly connected to the inside of the detector body 3, a formaldehyde adsorbent 15 is arranged between the two blocking mesh plates 14, a sealing groove 22 communicating with the two blocking mesh plates 14 is opened on the right side of the detector body 3, a rubber sealing plate 16 is sleeved and connected inside the sealing groove 22, a disassembly plate 8 is fixedly connected to one side of the rubber sealing plate 16, a handle is fixedly connected to the other side of the disassembly plate 8, a positioning mechanism is arranged at the upper end of the disassembly plate 8, a positioning slot 21 is arranged on the upper end surface of the disassembly plate 8, an air inlet pipe 4 that penetrates the detector body 3 and is fixedly connected to the penetrating portion is arranged in the middle of the upper end surface of the detector body 3, an exhaust fan 11 is fixedly connected inside the air inlet pipe 4, an air outlet pipe 9 that penetrates the detector body 3 and is fixedly connected to the penetrating portion is arranged in the middle of the lower end surface of the detector body 3, an exhaust fan 17 is fixedly connected inside the air outlet pipe 9.

[0028] Preferably, a dustproof net 12 is fixedly connected to one end of the air inlet pipe 4 and the air outlet pipe 9, a mounting ring 2 is fixedly connected to the left side of the detector body 3, a carrying rope 1 is arranged inside the mounting ring 2, and the formaldehyde adsorbent 15 is activated carbon particles. The detector body 3 is convenient to carry by the provided carrying rope 1.

[0029] Preferably, a circuit board 13 is fixedly connected inside the detector body 3, and a formaldehyde sensor, a VOC sensor and a buzzer are arranged on the surface of the circuit board 13. A display screen 5 is arranged on the front end surface of the detector body 3, and the display screen 5 can display detection data.

[0030] Preferably, the positioning mechanism includes a hollow plate 7 fixedly connected to the surface of the detector body 3, a moving block 20 is slidably connected inside the hollow plate 7, and a battery is fixedly connected to one side of the detector body 3, and the battery can be provided for power supply.

[0031] Preferably, one side of the moving block 20 is fixedly connected with a positioning plug plate 10 that penetrates the hollow plate 7 and is slidably connected to the penetration portion, and the positioning plug plate 10 is slidably connected to the inside of the positioning slot 21 .

[0032] Preferably, the other side of the moving block 20 is fixedly connected to a pull rod 18 that passes through the hollow plate 7 and is slidably connected to the passing portion, one end of the pull rod 18 is fixedly connected to the pull frame 6, and the surface of the pull rod 18 is sleeved with a spring 19 whose two ends are respectively fixedly connected to the upper end of the interior of the hollow plate 7 and the other side of the moving block 20.

[0033] The specific working principle and use method of the utility model are as follows:

[0034] The utility model provides a formaldehyde detector. When in use, the exhaust fan 11 and the exhaust fan 2 17 are started. The exhaust fan 11 draws indoor air into the detector body 3 through the air inlet pipe 4, and then the formaldehyde content and the air quality in the air are detected by the formaldehyde sensor and the VOC sensor respectively, and the data are displayed on the display screen 5. The start of the exhaust fan 2 17 can extract the gas inside the detector body 3, thereby increasing the gas flow rate inside the detector body 3. The extracted air will pass through the formaldehyde adsorbent 15, and the formaldehyde in the air will be adsorbed, thereby playing an adsorption role. Subsequently, the pull frame 6 can be pulled through the pull rod Under the action of 18, the moving block 20 drives the positioning plug plate 10 to move, so that the positioning plug plate 10 is separated from the positioning slot 21, and the limit of the disassembly plate 8 is released. Then, the disassembly plate 8 can be directly pulled to separate the rubber sealing plate 16 from the sealing groove 22, and then the formaldehyde adsorbent 15 can be poured out and replaced. After replacement, the pull frame 6 is pulled up again in the above manner to pull the positioning plug plate 10 up, and then the rubber sealing plate 16 is sleeved into the sealing groove 22, and then the pull frame 6 is released. The positioning plug plate 10 can be moved downward under the action of the spring 19, so that the positioning plug plate 10 is inserted into the positioning slot 21, thereby completing the limit installation of the disassembly plate 8.

[0035] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A formaldehyde detector, comprising a detector body (3), characterized in that: Two blocking mesh plates (14) are arranged at the lower part of the detector body (3) and are fixedly connected to the inside of the detector body (3). A formaldehyde adsorbent (15) is arranged between the two blocking mesh plates (14). A sealing groove (22) communicating with the two blocking mesh plates (14) is provided on the right side of the detector body (3). A rubber sealing plate (16) is sleeved and connected inside the sealing groove (22). A disassembly plate (8) is fixedly connected to one side of the rubber sealing plate (16). A handle is fixedly connected to one side of the disassembly plate (8). A positioning mechanism is provided at the upper end of the disassembly plate (8); a positioning slot (21) is provided on the upper end surface of the disassembly plate (8); an air inlet pipe (4) is provided in the middle of the upper end surface of the detector body (3) and passes through the detector body (3) and is fixedly connected to the passing portion; an exhaust fan (11) is fixedly connected inside the air inlet pipe (4); an air outlet pipe (9) is provided in the middle of the lower end surface of the detector body (3) and passes through the detector body (3) and is fixedly connected to the passing portion; an exhaust fan (17) is fixedly connected inside the air outlet pipe (9).

2. A formaldehyde detector according to claim 1, characterized in that: A dust screen (12) is fixedly connected to one end of the air inlet pipe (4) and the air outlet pipe (9), a mounting ring (2) is fixedly connected to the left side of the detector body (3), a hand rope (1) is arranged inside the mounting ring (2), and the formaldehyde adsorbent (15) is activated carbon particles.

3. A formaldehyde detector according to claim 1, characterized in that: A circuit board (13) is fixedly connected inside the detector body (3); a formaldehyde sensor, a VOC sensor and a buzzer are arranged on the surface of the circuit board (13); and a display screen (5) is arranged on the front face of the detector body (3).

4. A formaldehyde detector according to claim 1, characterized in that: The positioning mechanism comprises a hollow plate (7) fixedly connected to the surface of the detector body (3), a moving block (20) is slidably connected inside the hollow plate (7), and a battery is fixedly connected to a side surface inside the detector body (3).

5. A formaldehyde detector according to claim 4, characterized in that: One side of the moving block (20) is fixedly connected with a positioning plug plate (10) that penetrates the hollow plate (7) and is slidably connected to the penetration portion, and the positioning plug plate (10) is slidably connected to the inside of the positioning slot (21).

6. A formaldehyde detector according to claim 5, characterized in that: The other side of the moving block (20) is fixedly connected to a pull rod (18) that penetrates the hollow plate (7) and is slidably connected to the penetrating portion, one end of the pull rod (18) is fixedly connected to a pull frame (6), and the surface of the pull rod (18) is sleeved with a spring (19) whose two ends are respectively fixedly connected to the upper end inside the hollow plate (7) and the other side of the moving block (20).

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